Objects in the image:
category: truck
category: laptop
category: person
category: cell phone
category: airplane
category: backpack
category: cell phone
category: truck
category: person

Guessing-game dialogue about one of the objects:
q: is a person?
a: No
q: is outside?
a: Yes
q: is a plane?
a: No
q: is a vehicle?
a: Yes
q: the one in front the plane?
a: No
q: the white one at its left?
a: Yes